DIY Air Purifier vs Philips 2025
Compare DIY air purifiers with Philips - superior airflow at 80% lower cost.
- £199 vs £449 Philips
- 2x higher airflow
- Same H13 HEPA
- Lower filter costs
- No proprietary parts
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CR Box UK: Build in 30 mins for under £199 (VAT included). Free UK shipping (2-3 days). True H13 HEPA 2.4x more efficient than Dyson MERV filters. Energy Star 2025 certified. Trusted by NHS, schools & offices.